Electronic structure of lanthanum hydrides with switchable optical properties

K. K. Ng, F. C. Zhang, V. I. Anisimov, T. M. Rice

Research output: Contribution to journalArticlepeer-review

88 Citations (Scopus)

Abstract

Recent dramatic changes in the optical properties of LaH2+xandYH2+x films discovered by Huiberts et al. [Nature (London) 380, 231 (1996)] suggest their electronic structure is described best by a local model. Electron correlation is important in H- centers and in explaining the transparent insulating behavior of LaH3. The metal-insulator transition at x∼0.8 takes place in a band of highly localized states centered on the H vacancies in the LaH3 structure.

Original languageEnglish
Pages (from-to)1311-1314
Number of pages4
JournalPhysical Review Letters
Volume78
Issue number7
DOIs
Publication statusPublished - 17 Feb 1997
Externally publishedYes

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